Across
- 4. In Space, no one can hear you ________________
- 5. Space is defined as a _____________
- 7. vast gaps between the stars and planets are filled with huge amounts of thinly spread gas and ________.
- 8. _____________ and ultraviolet radiation comes from the Sun
- 9. Even though we call it "Space," it is not completely _____________
- 10. High _________ X-Rays, Gamma Rays, and Cosmic Rays come from distant star systems
Down
- 1. ______________ waves cannot travel through Space
- 2. Space is not the color blue because there is no air to ___________ light
- 3. Space is also filled with many forms of _______________that are dangerous to astronauts
- 6. _________ space begins where the shell of air disappears